Originally Posted by
odom4president
I booked a one way flight costing $200 last week from point A to point B.
I paid a portion ($60) of the fare with ticket-less travel funds (TTF) expiring Aug 2. I paid the rest ($140) of the fare with my credit card.
As others have said, you made the mistake of commingling expiring funds with new funds, after you made the mistake of letting your funds get close to expiration without using them. Avoiding these situations is a pain, but that's the price of Southwest's otherwise generous reuse policy.